50203616721 has 8 divisors (see below), whose sum is σ = 67855116960. Its totient is φ = 33010597152.

The previous prime is 50203616711. The next prime is 50203616731. The reversal of 50203616721 is 12761630205.

It is an interprime number because it is at equal distance from previous prime (50203616711) and next prime (50203616731).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50203616721 - 2¹¹ = 50203614673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50203616711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114619911 + ... + 114620348.

It is an arithmetic number, because the mean of its divisors is an integer number (8481889620).

Almost surely, 2^50203616721 is an apocalyptic number.

It is an amenable number.

50203616721 is a deficient number, since it is larger than the sum of its proper divisors (17651500239).

50203616721 is a wasteful number, since it uses less digits than its factorization.

50203616721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229240335.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 50203616721 in words is "fifty billion, two hundred three million, six hundred sixteen thousand, seven hundred twenty-one".